Function isNode

isNode(
    value: any,
    nodeName?: null | string,
    attributeName?: string,
    attributeValue?: string,
): boolean
Returns true if the given value is an XML node with the node name and if the optional attribute has the specified value.

This implementation assumes that the given value is a DOM node if the nodeType property is numeric, that is, if isNaN returns false for value.nodeType.
Parameters
- value: any
  Object that should be examined as a node.
- nodeName: null | string = null
  String that specifies the node name.
- OptionalattributeName: string
  Optional attribute name to check.
- OptionalattributeValue: string
  Optional attribute value to check.
Returns boolean
- Defined in util/domUtils.ts:223